diff --git a/pulsar-metadata/src/test/java/org/apache/pulsar/metadata/TestZKServer.java b/pulsar-metadata/src/test/java/org/apache/pulsar/metadata/TestZKServer.java
index 4f83906ad96f9..9e1f7bcc4f273 100644
--- a/pulsar-metadata/src/test/java/org/apache/pulsar/metadata/TestZKServer.java
+++ b/pulsar-metadata/src/test/java/org/apache/pulsar/metadata/TestZKServer.java
@@ -100,6 +100,7 @@ public void checkContainers() throws Exception {
     public void stop() throws Exception {
         if (zks != null) {
             zks.shutdown();
+            zks.getZKDatabase().close();
             zks = null;
         }